Why you send spam and how you can quit it

Personally I find correctly configuring mail systems as one of most experience
needing skill of common sysadmin in webhosting environment.
This is place where you have to handle problems of many users using different
programs, different network connections (some ISP …

Sometimes you land in places with restricted internet access to few destination ports (like in many hotels).
In such places it is handy to have OpenVPN listening on innocent port like 443. But what to do if you don't have spare ip?

Alternative

Hello stranger.
You found this site, but don't expect too much. This is place to make me sure that I won't forget some things (like adding garlic to spaghetti).
Other usage (specially for other people then me) is completly optional.